void init_drivers(void)
{
driver.video_data_own = false;
driver.audio_data_own = false;
driver.input_data_own = false;
#ifdef HAVE_CAMERA
driver.camera_data_own = false;
#endif
#ifdef HAVE_LOCATION
driver.location_data_own = false;
#endif
#ifdef HAVE_OSK
driver.osk_data_own = false;
#endif
#ifdef HAVE_MENU
// By default, we want the menu to persist through driver reinits.
driver.menu_data_own = true;
#endif
adjust_system_rates();
g_extern.frame_count = 0;
init_video_input();
if (!driver.video_cache_context_ack && g_extern.system.hw_render_callback.context_reset)
g_extern.system.hw_render_callback.context_reset();
driver.video_cache_context_ack = false;
init_audio();
#ifdef HAVE_CAMERA
// Only initialize camera driver if we're ever going to use it.
if (g_extern.camera_active)
init_camera();
#endif
#ifdef HAVE_LOCATION
// Only initialize location driver if we're ever going to use it.
if (g_extern.location_active)
init_location();
#endif
#ifdef HAVE_OSK
init_osk();
#endif
#ifdef HAVE_MENU
init_menu();
if (driver.menu && driver.menu_ctx && driver.menu_ctx->context_reset)
driver.menu_ctx->context_reset(driver.menu);
#endif
// Keep non-throttled state as good as possible.
if (driver.nonblock_state)
driver_set_nonblock_state(driver.nonblock_state);
g_extern.system.frame_time_last = 0;
}
static void menu_driver_toggle(bool latch)
{
const menu_ctx_driver_t *menu_driver = menu_ctx_driver_get_ptr();
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
rarch_system_info_t *system = rarch_system_info_get_ptr();
if (menu_driver->toggle)
menu_driver->toggle(latch);
if (latch)
menu_driver_ctl(RARCH_MENU_CTL_SET_ALIVE, NULL);
else
menu_driver_ctl(RARCH_MENU_CTL_UNSET_ALIVE, NULL);
if (menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL))
{
menu_entries_set_refresh(false);
/* Menu should always run with vsync on. */
event_command(EVENT_CMD_VIDEO_SET_BLOCKING_STATE);
/* Stop all rumbling before entering the menu. */
event_command(EVENT_CMD_RUMBLE_STOP);
if (settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_STOP);
/* Override keyboard callback to redirect to menu instead.
* We'll use this later for something ...
* FIXME: This should probably be moved to menu_common somehow. */
if (global)
{
global->frontend_key_event = system->key_event;
system->key_event = menu_input_key_event;
runloop_ctl(RUNLOOP_CTL_SET_FRAME_TIME_LAST, NULL);
}
}
else
{
if (!runloop_ctl(RUNLOOP_CTL_IS_SHUTDOWN, NULL))
driver_set_nonblock_state();
if (settings && settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_START);
/* Prevent stray input from going to libretro core */
input_driver_ctl(RARCH_INPUT_CTL_SET_FLUSHING_INPUT, NULL);
/* Restore libretro keyboard callback. */
if (global)
system->key_event = global->frontend_key_event;
}
}
/* To avoid continous switching if we hold the button down, we require
* that the button must go from pressed to unpressed back to pressed
* to be able to toggle between then.
*/
static void check_fast_forward_button(bool fastforward_pressed,
bool hold_pressed, bool old_hold_pressed)
{
if (fastforward_pressed)
driver.nonblock_state = !driver.nonblock_state;
else if (old_hold_pressed != hold_pressed)
driver.nonblock_state = hold_pressed;
else
return;
driver_set_nonblock_state(driver.nonblock_state);
}
static void driver_adjust_system_rates(void)
{
audio_driver_monitor_adjust_system_rates();
video_driver_monitor_adjust_system_rates();
if (!video_driver_get_ptr(false))
return;
if (rarch_ctl(RARCH_CTL_IS_NONBLOCK_FORCED, NULL))
command_event(CMD_EVENT_VIDEO_SET_NONBLOCKING_STATE, NULL);
else
driver_set_nonblock_state();
}
void menu_driver_toggle(bool latch)
{
driver_t *driver = driver_get_ptr();
const menu_ctx_driver_t *menu_driver = menu_ctx_driver_get_ptr();
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
rarch_system_info_t *system = rarch_system_info_get_ptr();
if (menu_driver->toggle)
menu_driver->toggle(latch);
menu_alive = latch;
if (menu_alive == true)
{
menu_entries_set_refresh(false);
/* Menu should always run with vsync on. */
event_command(EVENT_CMD_VIDEO_SET_BLOCKING_STATE);
/* Stop all rumbling before entering the menu. */
event_command(EVENT_CMD_RUMBLE_STOP);
if (settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_STOP);
/* Override keyboard callback to redirect to menu instead.
* We'll use this later for something ...
* FIXME: This should probably be moved to menu_common somehow. */
if (global)
{
global->frontend_key_event = system->key_event;
system->key_event = menu_input_key_event;
system->frame_time_last = 0;
}
}
else
{
driver_set_nonblock_state(driver->nonblock_state);
if (settings && settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_START);
/* Prevent stray input from going to libretro core */
driver->flushing_input = true;
/* Restore libretro keyboard callback. */
if (global)
system->key_event = global->frontend_key_event;
}
}
void init_drivers(void)
{
driver.video_data_own = !driver.video_data;
driver.audio_data_own = !driver.audio_data;
driver.input_data_own = !driver.input_data;
#ifdef HAVE_CAMERA
driver.camera_data_own = !driver.camera_data;
#endif
#ifdef HAVE_LOCATION
driver.location_data_own = !driver.location_data;
#endif
#ifdef HAVE_OSK
driver.osk_data_own = !driver.osk_data;
#endif
adjust_system_rates();
g_extern.frame_count = 0;
init_video_input();
if (!driver.video_cache_context_ack && g_extern.system.hw_render_callback.context_reset)
g_extern.system.hw_render_callback.context_reset();
driver.video_cache_context_ack = false;
init_audio();
#ifdef HAVE_CAMERA
// Only init camera driver if we're ever going to use it.
if (g_extern.camera_active)
init_camera();
#endif
#ifdef HAVE_LOCATION
// Only init location driver if we're ever going to use it.
if (g_extern.location_active)
init_location();
#endif
#ifdef HAVE_OSK
init_osk();
#endif
// Keep non-throttled state as good as possible.
if (driver.nonblock_state)
driver_set_nonblock_state(driver.nonblock_state);
g_extern.system.frame_time_last = 0;
}
static void driver_adjust_system_rates(void)
{
global_t *global = global_get_ptr();
driver_t *driver = driver_get_ptr();
audio_monitor_adjust_system_rates();
video_monitor_adjust_system_rates();
if (!driver->video_data)
return;
if (global->system.force_nonblock)
event_command(EVENT_CMD_VIDEO_SET_NONBLOCKING_STATE);
else
driver_set_nonblock_state(driver->nonblock_state);
}
/**
* check_fast_forward_button:
* @fastforward_pressed : is fastforward key pressed?
* @hold_pressed : is fastforward key pressed and held?
* @old_hold_pressed : was fastforward key pressed and held the last frame?
*
* Checks if the fast forward key has been pressed for this frame.
*
**/
static void check_fast_forward_button(bool fastforward_pressed,
bool hold_pressed, bool old_hold_pressed)
{
/* To avoid continous switching if we hold the button down, we require
* that the button must go from pressed to unpressed back to pressed
* to be able to toggle between then.
*/
if (fastforward_pressed)
driver.nonblock_state = !driver.nonblock_state;
else if (old_hold_pressed != hold_pressed)
driver.nonblock_state = hold_pressed;
else
return;
driver_set_nonblock_state(driver.nonblock_state);
}
static void driver_adjust_system_rates(void)
{
rarch_system_info_t *system = rarch_system_info_get_ptr();
driver_t *driver = driver_get_ptr();
audio_monitor_adjust_system_rates();
video_monitor_adjust_system_rates();
if (!driver->video_data)
return;
if (system->force_nonblock)
event_command(EVENT_CMD_VIDEO_SET_NONBLOCKING_STATE);
else
driver_set_nonblock_state(driver->nonblock_state);
}
static void adjust_system_rates(void)
{
g_extern.system.force_nonblock = false;
const struct retro_system_timing *info = &g_extern.system.av_info.timing;
if (info->fps <= 0.0 || info->sample_rate <= 0.0)
return;
float timing_skew = fabs(1.0f - info->fps / g_settings.video.refresh_rate);
if (timing_skew > 0.05f) // We don't want to adjust pitch too much. If we have extreme cases, just don't readjust at all.
{
RARCH_LOG("Timings deviate too much. Will not adjust. (Display = %.2f Hz, Game = %.2f Hz)\n",
g_settings.video.refresh_rate,
(float)info->fps);
// We won't be able to do VSync reliably as game FPS > monitor FPS.
if (info->fps > g_settings.video.refresh_rate)
{
g_extern.system.force_nonblock = true;
RARCH_LOG("Game FPS > Monitor FPS. Cannot rely on VSync.\n");
}
g_extern.audio_data.in_rate = info->sample_rate;
}
else
g_extern.audio_data.in_rate = info->sample_rate *
(g_settings.video.refresh_rate / info->fps);
RARCH_LOG("Set audio input rate to: %.2f Hz.\n", g_extern.audio_data.in_rate);
if (driver.video_data)
{
if (g_extern.system.force_nonblock)
rarch_main_command(RARCH_CMD_VIDEO_SET_NONBLOCKING_STATE);
else
driver_set_nonblock_state(driver.nonblock_state);
}
}
int main(int argc, char *argv[])
#endif
{
frontend_ctx = (frontend_ctx_driver_t*)frontend_ctx_init_first();
if (frontend_ctx && frontend_ctx->init)
frontend_ctx->init();
rarch_main_clear_state();
#ifndef __APPLE__
rarch_get_environment(argc, argv);
#endif
#if !defined(RARCH_CONSOLE)
#if defined(__APPLE__)
struct rarch_main_wrap* argdata = (struct rarch_main_wrap*)args;
int init_ret = rarch_main_init_wrap(argdata);
apple_free_main_wrap(argdata);
if (init_ret)
{
rarch_main_clear_state();
dispatch_async_f(dispatch_get_main_queue(), (void*)1, apple_rarch_exited);
return 0;
}
#else
rarch_init_msg_queue();
int init_ret;
if ((init_ret = rarch_main_init(argc, argv))) return init_ret;
#endif
#endif
#ifdef HAVE_MENU
menu_init();
#ifndef __APPLE__
if (frontend_ctx && frontend_ctx->process_args)
frontend_ctx->process_args(argc, argv);
#endif
#ifdef RARCH_CONSOLE
g_extern.lifecycle_mode_state |= 1ULL << MODE_LOAD_GAME;
#else
g_extern.lifecycle_mode_state |= 1ULL << MODE_GAME;
#endif
#ifndef RARCH_CONSOLE
// If we started a ROM directly from command line,
// push it to ROM history.
if (!g_extern.libretro_dummy)
menu_rom_history_push_current();
#endif
for (;;)
{
if (g_extern.system.shutdown)
break;
else if (g_extern.lifecycle_mode_state & (1ULL << MODE_LOAD_GAME))
{
load_menu_game_prepare();
// If ROM load fails, we exit RetroArch. On console it might make more sense to go back to menu though ...
if (load_menu_game())
g_extern.lifecycle_mode_state |= (1ULL << MODE_GAME);
else
{
#if defined(RARCH_CONSOLE) || defined(__QNX__)
g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU);
#else
if (frontend_ctx && frontend_ctx->shutdown)
frontend_ctx->shutdown(true);
return 1;
#endif
}
g_extern.lifecycle_mode_state &= ~(1ULL << MODE_LOAD_GAME);
}
else if (g_extern.lifecycle_mode_state & (1ULL << MODE_GAME))
{
#ifdef RARCH_CONSOLE
driver.input->poll(NULL);
#endif
if (driver.video_poke->set_aspect_ratio)
driver.video_poke->set_aspect_ratio(driver.video_data, g_settings.video.aspect_ratio_idx);
while ((g_extern.is_paused && !g_extern.is_oneshot) ? rarch_main_idle_iterate() : rarch_main_iterate())
{
if (frontend_ctx && frontend_ctx->process_events)
frontend_ctx->process_events();
if (!(g_extern.lifecycle_mode_state & (1ULL << MODE_GAME)))
break;
}
g_extern.lifecycle_mode_state &= ~(1ULL << MODE_GAME);
}
else if (g_extern.lifecycle_mode_state & (1ULL << MODE_MENU))
{
g_extern.lifecycle_mode_state |= 1ULL << MODE_MENU_PREINIT;
// Menu should always run with vsync on.
video_set_nonblock_state_func(false);
if (driver.audio_data)
audio_stop_func();
while (!g_extern.system.shutdown && menu_iterate())
{
if (frontend_ctx && frontend_ctx->process_events)
frontend_ctx->process_events();
if (!(g_extern.lifecycle_mode_state & (1ULL << MODE_MENU)))
break;
}
driver_set_nonblock_state(driver.nonblock_state);
if (driver.audio_data && !audio_start_func())
{
RARCH_ERR("Failed to resume audio driver. Will continue without audio.\n");
g_extern.audio_active = false;
}
g_extern.lifecycle_mode_state &= ~(1ULL << MODE_MENU);
}
else
break;
}
g_extern.system.shutdown = false;
menu_free();
if (g_extern.config_save_on_exit && *g_extern.config_path)
config_save_file(g_extern.config_path);
#ifdef GEKKO
/* Per-core input config saving */
config_save_keybinds(g_extern.input_config_path);
#endif
#ifdef RARCH_CONSOLE
global_uninit_drivers();
#endif
#else
while ((g_extern.is_paused && !g_extern.is_oneshot) ? rarch_main_idle_iterate() : rarch_main_iterate());
#endif
rarch_main_deinit();
rarch_deinit_msg_queue();
#ifdef PERF_TEST
rarch_perf_log();
#endif
#if defined(HAVE_LOGGER)
logger_shutdown();
#elif defined(HAVE_FILE_LOGGER)
if (g_extern.log_file)
fclose(g_extern.log_file);
g_extern.log_file = NULL;
#endif
if (frontend_ctx && frontend_ctx->deinit)
frontend_ctx->deinit();
if (g_extern.lifecycle_mode_state & (1ULL << MODE_EXITSPAWN) && frontend_ctx
&& frontend_ctx->exitspawn)
frontend_ctx->exitspawn();
rarch_main_clear_state();
if (frontend_ctx && frontend_ctx->shutdown)
frontend_ctx->shutdown(false);
return 0;
}
void rarch_main_set_state(unsigned cmd)
{
driver_t *driver = driver_get_ptr();
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
switch (cmd)
{
case RARCH_ACTION_STATE_MENU_RUNNING:
#ifdef HAVE_MENU
{
menu_handle_t *menu = menu_driver_get_ptr();
if (!menu)
return;
menu_driver_toggle(true);
/* Menu should always run with vsync on. */
event_command(EVENT_CMD_VIDEO_SET_BLOCKING_STATE);
/* Stop all rumbling before entering the menu. */
event_command(EVENT_CMD_RUMBLE_STOP);
if (settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_STOP);
/* Override keyboard callback to redirect to menu instead.
* We'll use this later for something ...
* FIXME: This should probably be moved to menu_common somehow. */
if (global)
{
global->frontend_key_event = global->system.key_event;
global->system.key_event = menu_input_key_event;
global->system.frame_time_last = 0;
}
menu_set_refresh();
menu_driver_set_alive();
}
#endif
break;
case RARCH_ACTION_STATE_LOAD_CONTENT:
#ifdef HAVE_MENU
/* If content loading fails, we go back to menu. */
if (!menu_load_content())
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING);
#endif
if (driver->frontend_ctx && driver->frontend_ctx->content_loaded)
driver->frontend_ctx->content_loaded();
break;
case RARCH_ACTION_STATE_MENU_RUNNING_FINISHED:
#ifdef HAVE_MENU
menu_setting_apply_deferred();
menu_driver_toggle(false);
menu_driver_unset_alive();
driver_set_nonblock_state(driver->nonblock_state);
if (settings && settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_START);
/* Prevent stray input from going to libretro core */
driver->flushing_input = true;
/* Restore libretro keyboard callback. */
if (global)
global->system.key_event = global->frontend_key_event;
#endif
video_driver_set_texture_enable(false, false);
break;
case RARCH_ACTION_STATE_QUIT:
if (global)
global->system.shutdown = true;
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
break;
case RARCH_ACTION_STATE_FORCE_QUIT:
if (global)
global->lifecycle_state = 0;
rarch_main_set_state(RARCH_ACTION_STATE_QUIT);
break;
case RARCH_ACTION_STATE_NONE:
default:
break;
}
}
/**
* init_drivers:
* @flags : Bitmask of drivers to initialize.
*
* Initializes drivers.
* @flags determines which drivers get initialized.
**/
void init_drivers(int flags)
{
driver_t *driver = driver_get_ptr();
global_t *global = global_get_ptr();
if (flags & DRIVER_VIDEO)
driver->video_data_own = false;
if (flags & DRIVER_AUDIO)
driver->audio_data_own = false;
if (flags & DRIVER_INPUT)
driver->input_data_own = false;
if (flags & DRIVER_CAMERA)
driver->camera_data_own = false;
if (flags & DRIVER_LOCATION)
driver->location_data_own = false;
#ifdef HAVE_MENU
/* By default, we want the menu to persist through driver reinits. */
driver->menu_data_own = true;
#endif
if (flags & (DRIVER_VIDEO | DRIVER_AUDIO))
driver_adjust_system_rates();
if (flags & DRIVER_VIDEO)
{
init_video();
if (!driver->video_cache_context_ack
&& global->system.hw_render_callback.context_reset)
global->system.hw_render_callback.context_reset();
driver->video_cache_context_ack = false;
global->system.frame_time_last = 0;
}
if (flags & DRIVER_AUDIO)
init_audio();
/* Only initialize camera driver if we're ever going to use it. */
if ((flags & DRIVER_CAMERA) && driver->camera_active)
init_camera();
/* Only initialize location driver if we're ever going to use it. */
if ((flags & DRIVER_LOCATION) && driver->location_active)
init_location();
#ifdef HAVE_MENU
menu_update_libretro_info();
if (flags & DRIVER_MENU)
{
init_menu();
menu_driver_context_reset();
}
#endif
if (flags & (DRIVER_VIDEO | DRIVER_AUDIO))
{
/* Keep non-throttled state as good as possible. */
if (driver->nonblock_state)
driver_set_nonblock_state(driver->nonblock_state);
}
}
/**
* netplay_sync_post_frame
* @netplay : pointer to netplay object
*
* Post-frame for Netplay synchronization.
* We check if we have new input and replay from recorded input.
*/
void netplay_sync_post_frame(netplay_t *netplay, bool stalled)
{
uint32_t lo_frame_count, hi_frame_count;
/* Unless we're stalling, we've just finished running a frame */
if (!stalled)
{
netplay->run_ptr = NEXT_PTR(netplay->run_ptr);
netplay->run_frame_count++;
}
/* We've finished an input frame even if we're stalling */
if ((!stalled || netplay->stall == NETPLAY_STALL_INPUT_LATENCY) &&
netplay->self_frame_count < netplay->run_frame_count + netplay->input_latency_frames)
{
netplay->self_ptr = NEXT_PTR(netplay->self_ptr);
netplay->self_frame_count++;
}
/* Only relevant if we're connected and not in a desynching operation */
if ((netplay->is_server && !netplay->connected_players) ||
(netplay->self_mode < NETPLAY_CONNECTION_CONNECTED) ||
(netplay->desync))
{
netplay->other_frame_count = netplay->self_frame_count;
netplay->other_ptr = netplay->self_ptr;
/* FIXME: Duplication */
if (netplay->catch_up)
{
netplay->catch_up = false;
input_driver_unset_nonblock_state();
driver_set_nonblock_state();
}
return;
}
/* Reset if it was requested */
if (netplay->force_reset)
{
core_reset();
netplay->force_reset = false;
}
#ifndef DEBUG_NONDETERMINISTIC_CORES
if (!netplay->force_rewind)
{
/* Skip ahead if we predicted correctly.
* Skip until our simulation failed. */
while (netplay->other_frame_count < netplay->unread_frame_count &&
netplay->other_frame_count < netplay->run_frame_count)
{
struct delta_frame *ptr = &netplay->buffer[netplay->other_ptr];
size_t i;
for (i = 0; i < MAX_USERS; i++)
{
if (memcmp(ptr->simulated_input_state[i], ptr->real_input_state[i],
sizeof(ptr->real_input_state[i])) != 0
&& !ptr->used_real[i])
break;
}
if (i != MAX_USERS) break;
netplay_handle_frame_hash(netplay, ptr);
netplay->other_ptr = NEXT_PTR(netplay->other_ptr);
netplay->other_frame_count++;
}
}
#endif
/* Now replay the real input if we've gotten ahead of it */
if (netplay->force_rewind ||
(netplay->other_frame_count < netplay->unread_frame_count &&
netplay->other_frame_count < netplay->run_frame_count))
{
retro_ctx_serialize_info_t serial_info;
/* Replay frames. */
netplay->is_replay = true;
netplay->replay_ptr = netplay->other_ptr;
netplay->replay_frame_count = netplay->other_frame_count;
if (netplay->quirks & NETPLAY_QUIRK_INITIALIZATION)
/* Make sure we're initialized before we start loading things */
netplay_wait_and_init_serialization(netplay);
serial_info.data = NULL;
serial_info.data_const = netplay->buffer[netplay->replay_ptr].state;
serial_info.size = netplay->state_size;
if (!core_unserialize(&serial_info))
{
RARCH_ERR("Netplay savestate loading failed: Prepare for desync!\n");
}
while (netplay->replay_frame_count < netplay->run_frame_count)
{
retro_time_t start, tm;
struct delta_frame *ptr = &netplay->buffer[netplay->replay_ptr];
serial_info.data = ptr->state;
serial_info.size = netplay->state_size;
serial_info.data_const = NULL;
start = cpu_features_get_time_usec();
/* Remember the current state */
memset(serial_info.data, 0, serial_info.size);
core_serialize(&serial_info);
if (netplay->replay_frame_count < netplay->unread_frame_count)
netplay_handle_frame_hash(netplay, ptr);
/* Re-simulate this frame's input */
netplay_simulate_input(netplay, netplay->replay_ptr, true);
autosave_lock();
core_run();
autosave_unlock();
netplay->replay_ptr = NEXT_PTR(netplay->replay_ptr);
netplay->replay_frame_count++;
#ifdef DEBUG_NONDETERMINISTIC_CORES
if (ptr->have_remote && netplay_delta_frame_ready(netplay, &netplay->buffer[netplay->replay_ptr], netplay->replay_frame_count))
{
RARCH_LOG("PRE %u: %X\n", netplay->replay_frame_count-1, netplay_delta_frame_crc(netplay, ptr));
if (netplay->is_server)
RARCH_LOG("INP %X %X\n", ptr->real_input_state[0], ptr->self_state[0]);
else
RARCH_LOG("INP %X %X\n", ptr->self_state[0], ptr->real_input_state[0]);
ptr = &netplay->buffer[netplay->replay_ptr];
serial_info.data = ptr->state;
memset(serial_info.data, 0, serial_info.size);
core_serialize(&serial_info);
RARCH_LOG("POST %u: %X\n", netplay->replay_frame_count-1, netplay_delta_frame_crc(netplay, ptr));
}
#endif
/* Get our time window */
tm = cpu_features_get_time_usec() - start;
netplay->frame_run_time_sum -= netplay->frame_run_time[netplay->frame_run_time_ptr];
netplay->frame_run_time[netplay->frame_run_time_ptr] = tm;
netplay->frame_run_time_sum += tm;
netplay->frame_run_time_ptr++;
if (netplay->frame_run_time_ptr >= NETPLAY_FRAME_RUN_TIME_WINDOW)
netplay->frame_run_time_ptr = 0;
}
/* Average our time */
netplay->frame_run_time_avg = netplay->frame_run_time_sum / NETPLAY_FRAME_RUN_TIME_WINDOW;
if (netplay->unread_frame_count < netplay->run_frame_count)
{
netplay->other_ptr = netplay->unread_ptr;
netplay->other_frame_count = netplay->unread_frame_count;
}
else
{
netplay->other_ptr = netplay->run_ptr;
netplay->other_frame_count = netplay->run_frame_count;
}
netplay->is_replay = false;
netplay->force_rewind = false;
}
if (netplay->is_server)
{
uint32_t player;
lo_frame_count = hi_frame_count = netplay->unread_frame_count;
/* Look for players that are ahead of us */
for (player = 0; player < MAX_USERS; player++)
{
if (!(netplay->connected_players & (1<<player))) continue;
if (netplay->read_frame_count[player] > hi_frame_count)
hi_frame_count = netplay->read_frame_count[player];
}
}
else
{
lo_frame_count = hi_frame_count = netplay->server_frame_count;
}
/* If we're behind, try to catch up */
if (netplay->catch_up)
{
/* Are we caught up? */
if (netplay->self_frame_count + 1 >= lo_frame_count)
{
netplay->catch_up = false;
input_driver_unset_nonblock_state();
driver_set_nonblock_state();
}
}
else if (!stalled)
{
if (netplay->self_frame_count + 3 < lo_frame_count)
{
retro_time_t cur_time = cpu_features_get_time_usec();
uint32_t cur_behind = lo_frame_count - netplay->self_frame_count;
/* We're behind, but we'll only try to catch up if we're actually
* falling behind, i.e. if we're more behind after some time */
if (netplay->catch_up_time == 0)
{
/* Record our current time to check for catch-up later */
netplay->catch_up_time = cur_time;
netplay->catch_up_behind = cur_behind;
}
else if (cur_time - netplay->catch_up_time > CATCH_UP_CHECK_TIME_USEC)
{
/* Time to check how far behind we are */
if (netplay->catch_up_behind <= cur_behind)
{
/* We're definitely falling behind! */
netplay->catch_up = true;
netplay->catch_up_time = 0;
input_driver_set_nonblock_state();
driver_set_nonblock_state();
}
else
{
/* Check again in another period */
netplay->catch_up_time = cur_time;
netplay->catch_up_behind = cur_behind;
}
}
}
else if (netplay->self_frame_count + 3 < hi_frame_count)
{
size_t i;
netplay->catch_up_time = 0;
/* We're falling behind some clients but not others, so request that
* clients ahead of us stall */
for (i = 0; i < netplay->connections_size; i++)
{
struct netplay_connection *connection = &netplay->connections[i];
int player;
if (!connection->active ||
connection->mode != NETPLAY_CONNECTION_PLAYING)
continue;
player = connection->player;
/* Are they ahead? */
if (netplay->self_frame_count + 3 < netplay->read_frame_count[player])
{
/* Tell them to stall */
if (connection->stall_frame + NETPLAY_MAX_REQ_STALL_FREQUENCY <
netplay->self_frame_count)
{
connection->stall_frame = netplay->self_frame_count;
netplay_cmd_stall(netplay, connection,
netplay->read_frame_count[player] -
netplay->self_frame_count + 1);
}
}
}
}
else
netplay->catch_up_time = 0;
}
else
netplay->catch_up_time = 0;
}
static void *android_app_entry(void *data)
{
struct android_app* android_app = (struct android_app*)data;
android_app->config = AConfiguration_new();
AConfiguration_fromAssetManager(android_app->config, android_app->activity->assetManager);
print_cur_config(android_app);
ALooper* looper = ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS);
ALooper_addFd(looper, android_app->msgread, LOOPER_ID_MAIN, ALOOPER_EVENT_INPUT, NULL, NULL);
android_app->looper = looper;
pthread_mutex_lock(&android_app->mutex);
android_app->running = 1;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
memset(&g_android, 0, sizeof(g_android));
g_android = android_app;
RARCH_LOG("Native Activity started.\n");
rarch_main_clear_state();
while (!android_app->window)
{
if (!android_run_events(android_app))
goto exit;
}
rarch_init_msg_queue();
if (!android_app_start_main(android_app))
{
g_settings.input.overlay[0] = 0;
// threaded video doesn't work right for just displaying one frame
g_settings.video.threaded = false;
init_drivers();
driver.video_poke->set_aspect_ratio(driver.video_data, ASPECT_RATIO_SQUARE);
rarch_render_cached_frame();
sleep(2);
goto exit;
}
if (!g_extern.libretro_dummy)
menu_rom_history_push_current();
for (;;)
{
if (g_extern.system.shutdown)
break;
else if (g_extern.lifecycle_mode_state & (1ULL << MODE_LOAD_GAME))
{
load_menu_game_prepare();
// If ROM load fails, we exit RetroArch. On console it might make more sense to go back to menu though ...
if (load_menu_game())
g_extern.lifecycle_mode_state |= (1ULL << MODE_GAME);
else
{
#ifdef RARCH_CONSOLE
g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU);
#else
return NULL;
#endif
}
g_extern.lifecycle_mode_state &= ~(1ULL << MODE_LOAD_GAME);
}
else if (g_extern.lifecycle_mode_state & (1ULL << MODE_GAME))
{
driver.input->poll(NULL);
if (driver.video_poke->set_aspect_ratio)
driver.video_poke->set_aspect_ratio(driver.video_data, g_settings.video.aspect_ratio_idx);
// Main loop
while (rarch_main_iterate());
g_extern.lifecycle_mode_state &= ~(1ULL << MODE_GAME);
}
else if(g_extern.lifecycle_mode_state & (1ULL << MODE_MENU))
{
g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU_PREINIT);
// Menu should always run with vsync on
video_set_nonblock_state_func(false);
if (driver.audio_data)
audio_stop_func();
while((input_key_pressed_func(RARCH_PAUSE_TOGGLE)) ?
android_run_events(android_app) : menu_iterate());
driver_set_nonblock_state(driver.nonblock_state);
if (driver.audio_data && !audio_start_func())
{
RARCH_ERR("Failed to resume audio driver. Will continue without audio.\n");
g_extern.audio_active = false;
}
g_extern.lifecycle_mode_state &= ~(1ULL << MODE_MENU);
}
else
break;
}
exit:
android_app->activityState = APP_CMD_DEAD;
RARCH_LOG("Deinitializing RetroArch...\n");
menu_free();
if (g_extern.config_save_on_exit && *g_extern.config_path)
config_save_file(g_extern.config_path);
if (g_extern.main_is_init)
rarch_main_deinit();
rarch_deinit_msg_queue();
#ifdef PERF_TEST
rarch_perf_log();
#endif
rarch_main_clear_state();
RARCH_LOG("android_app_destroy!");
if (android_app->inputQueue != NULL)
AInputQueue_detachLooper(android_app->inputQueue);
AConfiguration_delete(android_app->config);
// exit() here is nasty.
// pthread_exit(NULL) or return NULL; causes hanging ...
// Should probably called ANativeActivity_finsih(), but it's bugged, it will hang our app.
exit(0);
}
/**
* drivers_init:
* @flags : Bitmask of drivers to initialize.
*
* Initializes drivers.
* @flags determines which drivers get initialized.
**/
void drivers_init(int flags)
{
bool video_is_threaded = false;
if (flags & DRIVER_VIDEO_MASK)
video_driver_unset_own_driver();
if (flags & DRIVER_AUDIO_MASK)
audio_driver_unset_own_driver();
if (flags & DRIVER_INPUT_MASK)
input_driver_unset_own_driver();
if (flags & DRIVER_CAMERA_MASK)
camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_OWN_DRIVER, NULL);
if (flags & DRIVER_LOCATION_MASK)
location_driver_ctl(RARCH_LOCATION_CTL_UNSET_OWN_DRIVER, NULL);
if (flags & DRIVER_WIFI_MASK)
wifi_driver_ctl(RARCH_WIFI_CTL_UNSET_OWN_DRIVER, NULL);
#ifdef HAVE_MENU
/* By default, we want the menu to persist through driver reinits. */
menu_driver_ctl(RARCH_MENU_CTL_SET_OWN_DRIVER, NULL);
#endif
if (flags & (DRIVER_VIDEO_MASK | DRIVER_AUDIO_MASK))
driver_adjust_system_rates();
if (flags & DRIVER_VIDEO_MASK)
{
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
video_driver_monitor_reset();
video_driver_init(&video_is_threaded);
if (!video_driver_is_video_cache_context_ack()
&& hwr->context_reset)
hwr->context_reset();
video_driver_unset_video_cache_context_ack();
rarch_ctl(RARCH_CTL_SET_FRAME_TIME_LAST, NULL);
}
if (flags & DRIVER_AUDIO_MASK)
{
audio_driver_init();
audio_driver_new_devices_list();
}
/* Only initialize camera driver if we're ever going to use it. */
if ((flags & DRIVER_CAMERA_MASK) && camera_driver_ctl(RARCH_CAMERA_CTL_IS_ACTIVE, NULL))
camera_driver_ctl(RARCH_CAMERA_CTL_INIT, NULL);
/* Only initialize location driver if we're ever going to use it. */
if ((flags & DRIVER_LOCATION_MASK) && location_driver_ctl(RARCH_LOCATION_CTL_IS_ACTIVE, NULL))
init_location();
core_info_init_current_core();
#ifdef HAVE_MENU
if (flags & DRIVER_VIDEO_MASK)
{
if (flags & DRIVER_MENU_MASK)
menu_driver_init(video_is_threaded);
}
#endif
if (flags & (DRIVER_VIDEO_MASK | DRIVER_AUDIO_MASK))
{
/* Keep non-throttled state as good as possible. */
if (input_driver_is_nonblock_state())
driver_set_nonblock_state();
}
if (flags & DRIVER_LED_MASK)
{
led_driver_init();
}
if (flags & DRIVER_MIDI_MASK)
midi_driver_init();
}
bool driver_ctl(enum driver_ctl_state state, void *data)
{
switch (state)
{
case RARCH_DRIVER_CTL_DEINIT:
video_driver_destroy();
audio_driver_destroy();
input_driver_destroy();
#ifdef HAVE_MENU
menu_driver_ctl(RARCH_MENU_CTL_DESTROY, NULL);
#endif
location_driver_ctl(RARCH_LOCATION_CTL_DESTROY, NULL);
camera_driver_ctl(RARCH_CAMERA_CTL_DESTROY, NULL);
core_uninit_libretro_callbacks();
break;
case RARCH_DRIVER_CTL_UNINIT:
{
int *flags = (int*)data;
if (!flags)
return false;
uninit_drivers(*flags);
}
break;
case RARCH_DRIVER_CTL_UNINIT_ALL:
{
int flags = DRIVERS_CMD_ALL;
return driver_ctl(RARCH_DRIVER_CTL_UNINIT, &flags);
}
case RARCH_DRIVER_CTL_INIT:
{
int *flags = (int*)data;
if (!flags)
return false;
init_drivers(*flags);
}
break;
case RARCH_DRIVER_CTL_INIT_ALL:
{
int flags = DRIVERS_CMD_ALL;
return driver_ctl(RARCH_DRIVER_CTL_INIT, &flags);
}
case RARCH_DRIVER_CTL_INIT_PRE:
audio_driver_find_driver();
video_driver_find_driver();
input_driver_find_driver();
camera_driver_ctl(RARCH_CAMERA_CTL_FIND_DRIVER, NULL);
find_location_driver();
#ifdef HAVE_MENU
menu_driver_ctl(RARCH_MENU_CTL_FIND_DRIVER, NULL);
#endif
break;
case RARCH_DRIVER_CTL_SET_REFRESH_RATE:
{
float *hz = (float*)data;
video_monitor_set_refresh_rate(*hz);
audio_driver_monitor_set_rate();
driver_adjust_system_rates();
}
break;
case RARCH_DRIVER_CTL_SET_NONBLOCK_STATE:
driver_set_nonblock_state();
break;
case RARCH_DRIVER_CTL_UPDATE_SYSTEM_AV_INFO:
{
const struct retro_system_av_info **info = (const struct retro_system_av_info**)data;
if (info)
return driver_update_system_av_info(*info);
}
return false;
case RARCH_DRIVER_CTL_FIND_FIRST:
{
driver_ctx_info_t *drv = (driver_ctx_info_t*)data;
if (!drv)
return false;
return driver_find_first(drv->label, drv->s, drv->len);
}
case RARCH_DRIVER_CTL_FIND_PREV:
{
driver_ctx_info_t *drv = (driver_ctx_info_t*)data;
if (!drv)
return false;
return driver_find_prev(drv->label, drv->s, drv->len);
}
case RARCH_DRIVER_CTL_FIND_NEXT:
{
driver_ctx_info_t *drv = (driver_ctx_info_t*)data;
if (!drv)
return false;
return driver_find_next(drv->label, drv->s, drv->len);
}
case RARCH_DRIVER_CTL_FIND_INDEX:
{
driver_ctx_info_t *drv = (driver_ctx_info_t*)data;
if (!drv)
return false;
drv->len = driver_find_index(drv->label, drv->s);
}
break;
case RARCH_DRIVER_CTL_NONE:
default:
break;
}
return true;
}
